B-1 STATEMENT OF ADDITIONAL INFORMATION Dated May 1 ...

SMALL CAP VALUE PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 5,602,764 shares 2.6%NML Variable Annuity Account B 118,038,652 shares 55.9%NML Variable Annuity Account C 577,926 shares 0.3%Northwestern Mutual Variable Life Account 86,042,737 shares 40.8%Northwestern Mutual Variable Life Account II 793,538 shares 0.4%Total 211,055,617 shares 100.0%INTERNATIONAL GROWTH PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 9,068,893 shares 4.0%NML Variable Annuity Account B 144,983,721 shares 64.2%NML Variable Annuity Account C 1,126,732 shares 0.5%Northwestern Mutual Variable Life Account 70,332,236 shares 31.1%Northwestern Mutual Variable Life Account II 536,925 shares 0.2%Total 226,048,507 shares 100.0%INTERNATIONAL EQUITY PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 23,819,696 shares 3.2%NML Variable Annuity Account B 431,039,786 shares 57.1%NML Variable Annuity Account C 19,609,028 shares 2.6%Northwestern Mutual Variable Life Account 278,738,565 shares 36.9%Northwestern Mutual Variable Life Account II 1,629,527 shares 0.2%Total 754,836,602 shares 100.0%MONEY MARKET PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 21,087,382 shares 3.1%NML Variable Annuity Account B 454,094,353 shares 67.3%NML Variable Annuity Account C 5,661,540 shares 0.8%Northwestern Mutual Variable Life Account 192,021,451 shares 28.5%Northwestern Mutual Variable Life Account II 2,057,363 shares 0.3%Total 674,922,089 shares 100.0%SELECT BOND PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 34,544,611 shares 4.0%NML Variable Annuity Account B 662,439,422 shares 76.2%NML Variable Annuity Account C 7,867,275 shares 0.9%Northwestern Mutual Variable Life Account 163,759,654 shares 18.8%Northwestern Mutual Variable Life Account II 1,134,879 shares 0.1%Total 869,745,841 shares 100.0%B-80